4-48 x 3/8 Alloy Steel Socket Head Cap Screw is commonly used where an Allen-style socket drive is preferred over external-wrench hardware in confined equipment layouts. This size keeps the specified 4-48 thread and 3/8 in. length visible for stockroom identification and purchasing review. It is frequently used in precision assemblies, machine tools, and industrial automation when socket engagement is preferred over external-wrench access. Alloy steel supports strength-focused fastening where clamp load and repeatable assembly are important. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 4-48 Length: 3/8 in. Nominal Body Diameter: .112 in. Head Diameter: 0.176 in. min / 0.183 in. max Head Height: 0.108 in. min / 0.112 in. max Hex Key Size: 3/32 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.